Code result

P0A0D

High Voltage System Interlock Circuit High

High severity

What it means

The HV interlock signal voltage is above threshold, indicating short to battery or unexpected continuity loss.

Is it safe to drive?

No — stop driving

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

  • Short to battery on interlock

    high

    One of the most commonly reported causes for this code — check this first.

  • Connector pins corroded - high contact resistance

    low

    Less common, but worth ruling out after the more likely causes.

  • Supply wire pinched against B+ source

    low

    Less common, but worth ruling out after the more likely causes.

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